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https://github.com/smartive/hosted-database-operator
Kubernetes operator that provides and orchestrates databases on database servers
https://github.com/smartive/hosted-database-operator
Last synced: about 4 hours ago
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Kubernetes operator that provides and orchestrates databases on database servers
- Host: GitHub
- URL: https://github.com/smartive/hosted-database-operator
- Owner: smartive
- License: mit
- Created: 2020-05-08T09:45:59.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2024-01-19T03:59:36.000Z (10 months ago)
- Last Synced: 2024-01-20T02:13:58.043Z (10 months ago)
- Language: C#
- Size: 133 KB
- Stars: 2
- Watchers: 5
- Forks: 0
- Open Issues: 12
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# Hosted Database Operator
This is a Kubernetes Operator that manages databases on DB-Servers.
There are three CRDs that get installed:
- `ClusterDatabaseHost`: Defines access (with a secret) to a
database server (currently MySql and Postgres supported)
- `HostedDatabase`: Defines an instance of a database
on a host
- `DanglingDatabase`: When a hosted database gets deleted
and the "OnDelete" action is to create a dangling database,
this element gets created by the operator. When the dangling DB
is deleted, the real database gets deleted as well.
This Operator can create users with passwords with a database
on MySql and PostgreSQL servers. It creates a secret with
the access data to the specific database.
## Example
1. Create the database host.
```yaml
apiVersion: v1
kind: Secret
metadata:
name: mysql-host-credentials
namespace: default
stringData:
username: root
password: MySuperSecretPassword
---
apiVersion: hdo.smartive.ch/v2
kind: ClusterDatabaseHost
metadata:
name: test-mysql-host
spec:
type: MySql
host: 127.0.0.1
port: 3306
credentialsSecret:
name: mysql-host-credentials
namespace: default
```
After the host is created, a database can be instantiated:
```yaml
apiVersion: hdo.smartive.ch/v2
kind: HostedDatabase
metadata:
name: test-mysql-db
namespace: default
spec:
host: test-mysql-host
```
When the HostedDatabase is deleted, the default operation of the
Operator is to create a dangling database. With a recreate of
the hosted database, the db remains the same. If the dangling database
is deleted as well, the data is lost.
It works on MySql > 5.7 and PostgreSQL > 9.2 (tested).
## Installation
To install the operator, you may use the Kustomize files in
`./src/HostedDatabaseOperator/config`. The simplest way is
to use the `kustomization.yaml` in the `install` subdirectory.
An example file that installs the operator into the
predefined namespace (`hosted-database-operator-system`)
would be:
```yaml
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: hosted-database-operator-system
resources:
- github.com/smartive/hosted-database-operator/src/HostedDatabaseOperator/config/install?ref=v2.0.0
```